L-Cysteine Hydrochloride Anhydrous, E920, CAS No.52-89-1, an amino acid produced via chemical synthesis used as nutrition supplements. Odorless, white crystalline powder with a strong acidic taste. It is used as a dough strengthener in yeast-leavened baked goods and baking mixes. Cysteine Hcl is used in natural fruit juice for preventing Vitamin C oxide. As an experienced L-Cysteine Hydrochloride Anhydrous manufacturer and supplier, we has been supplying and exporting L-Cysteine Hydrochloride Anhydrous for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. L-Cysteine Hydrochloride Anhydrous Specification ITEM STANDARD Specific rotation[a]D20 +5.6~+8.9 State of solution 98.0% Identification Infrared absorption spectrum Chloride(Cl) 22.30 22.6% Ammonium(NH4) 0.02% Sulfate(SO4) 0.020% Iron(Fe) 10 PPM Heavy metals(Pb) 10 PPM Arsenic(As2O3) 1PPM Other amino acids Chromatographically not detectable Loss on drying 1.0 Residue on ignition 0.10% Assay 98.0-102.0% PH 1.5 2.0